Off the top of my head:

Bow and arrow
6mm Rem
.25-06 Rem
6.5X284 NORMA
.270 Win
.300 Win
.300 H&H
.340 WBY
.375 H&H

That's 8 different rifles and 2 different bows.

I killed a red deer hind in New Zealand with a suppressed .22 LR. Does that count?